drivers/media/platform/qcom/venus/venc.c

   1 /*
   2  * Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
   3  * Copyright (C) 2017 Linaro Ltd.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 and
   7  * only version 2 as published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  */
  15 #include <linux/clk.h>
  16 #include <linux/module.h>
  17 #include <linux/mod_devicetable.h>
  18 #include <linux/platform_device.h>
  19 #include <linux/pm_runtime.h>
  20 #include <linux/slab.h>
  21 #include <media/v4l2-mem2mem.h>
  22 #include <media/videobuf2-dma-sg.h>
  23 #include <media/v4l2-ioctl.h>
  24 #include <media/v4l2-event.h>
  25 #include <media/v4l2-ctrls.h>
  26
  27 #include "hfi_venus_io.h"
  28 #include "hfi_parser.h"
  29 #include "core.h"
  30 #include "helpers.h"
  31 #include "venc.h"
  32
  33 #define NUM_B_FRAMES_MAX        4
  34
  35 /*
  36  * Three resons to keep MPLANE formats (despite that the number of planes
  37  * currently is one):
  38  * - the MPLANE formats allow only one plane to be used
  39  * - the downstream driver use MPLANE formats too
  40  * - future firmware versions could add support for >1 planes
  41  */
  42 static const struct venus_format venc_formats[] = {
  43         {
  44                 .pixfmt = V4L2_PIX_FMT_NV12,
  45                 .num_planes = 1,
  46                 .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
  47         }, {
  48                 .pixfmt = V4L2_PIX_FMT_MPEG4,
  49                 .num_planes = 1,
  50                 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
  51         }, {
  52                 .pixfmt = V4L2_PIX_FMT_H263,
  53                 .num_planes = 1,
  54                 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
  55         }, {
  56                 .pixfmt = V4L2_PIX_FMT_H264,
  57                 .num_planes = 1,
  58                 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
  59         }, {
  60                 .pixfmt = V4L2_PIX_FMT_VP8,
  61                 .num_planes = 1,
  62                 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
  63         }, {
  64                 .pixfmt = V4L2_PIX_FMT_HEVC,
  65                 .num_planes = 1,
  66                 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
  67         },
  68 };
  69
  70 static const struct venus_format *
  71 find_format(struct venus_inst *inst, u32 pixfmt, u32 type)
  72 {
  73         const struct venus_format *fmt = venc_formats;
  74         unsigned int size = ARRAY_SIZE(venc_formats);
  75         unsigned int i;
  76
  77         for (i = 0; i < size; i++) {
  78                 if (fmt[i].pixfmt == pixfmt)
  79                         break;
  80         }
  81
  82         if (i == size || fmt[i].type != type)
  83                 return NULL;
  84
  85         if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
  86             !venus_helper_check_codec(inst, fmt[i].pixfmt))
  87                 return NULL;
  88
  89         return &fmt[i];
  90 }
  91
  92 static const struct venus_format *
  93 find_format_by_index(struct venus_inst *inst, unsigned int index, u32 type)
  94 {
  95         const struct venus_format *fmt = venc_formats;
  96         unsigned int size = ARRAY_SIZE(venc_formats);
  97         unsigned int i, k = 0;
  98
  99         if (index > size)
 100                 return NULL;
 101
 102         for (i = 0; i < size; i++) {
 103                 bool valid;
 104
 105                 if (fmt[i].type != type)
 106                         continue;
 107                 valid = type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE ||
 108                         venus_helper_check_codec(inst, fmt[i].pixfmt);
 109                 if (k == index && valid)
 110                         break;
 111                 if (valid)
 112                         k++;
 113         }
 114
 115         if (i == size)
 116                 return NULL;
 117
 118         return &fmt[i];
 119 }
 120
 121 static int venc_v4l2_to_hfi(int id, int value)
 122 {
 123         switch (id) {
 124         case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL:
 125                 switch (value) {
 126                 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_0:
 127                 default:
 128                         return HFI_MPEG4_LEVEL_0;
 129                 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_0B:
 130                         return HFI_MPEG4_LEVEL_0b;
 131                 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_1:
 132                         return HFI_MPEG4_LEVEL_1;
 133                 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_2:
 134                         return HFI_MPEG4_LEVEL_2;
 135                 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_3:
 136                         return HFI_MPEG4_LEVEL_3;
 137                 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_4:
 138                         return HFI_MPEG4_LEVEL_4;
 139                 case V4L2_MPEG_VIDEO_MPEG4_LEVEL_5:
 140                         return HFI_MPEG4_LEVEL_5;
 141                 }
 142         case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE:
 143                 switch (value) {
 144                 case V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE:
 145                 default:
 146                         return HFI_MPEG4_PROFILE_SIMPLE;
 147                 case V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_SIMPLE:
 148                         return HFI_MPEG4_PROFILE_ADVANCEDSIMPLE;
 149                 }
 150         case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
 151                 switch (value) {
 152                 case V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE:
 153                         return HFI_H264_PROFILE_BASELINE;
 154                 case V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE:
 155                         return HFI_H264_PROFILE_CONSTRAINED_BASE;
 156                 case V4L2_MPEG_VIDEO_H264_PROFILE_MAIN:
 157                         return HFI_H264_PROFILE_MAIN;
 158                 case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH:
 159                 default:
 160                         return HFI_H264_PROFILE_HIGH;
 161                 }
 162         case V4L2_CID_MPEG_VIDEO_H264_LEVEL:
 163                 switch (value) {
 164                 case V4L2_MPEG_VIDEO_H264_LEVEL_1_0:
 165                         return HFI_H264_LEVEL_1;
 166                 case V4L2_MPEG_VIDEO_H264_LEVEL_1B:
 167                         return HFI_H264_LEVEL_1b;
 168                 case V4L2_MPEG_VIDEO_H264_LEVEL_1_1:
 169                         return HFI_H264_LEVEL_11;
 170                 case V4L2_MPEG_VIDEO_H264_LEVEL_1_2:
 171                         return HFI_H264_LEVEL_12;
 172                 case V4L2_MPEG_VIDEO_H264_LEVEL_1_3:
 173                         return HFI_H264_LEVEL_13;
 174                 case V4L2_MPEG_VIDEO_H264_LEVEL_2_0:
 175                         return HFI_H264_LEVEL_2;
 176                 case V4L2_MPEG_VIDEO_H264_LEVEL_2_1:
 177                         return HFI_H264_LEVEL_21;
 178                 case V4L2_MPEG_VIDEO_H264_LEVEL_2_2:
 179                         return HFI_H264_LEVEL_22;
 180                 case V4L2_MPEG_VIDEO_H264_LEVEL_3_0:
 181                         return HFI_H264_LEVEL_3;
 182                 case V4L2_MPEG_VIDEO_H264_LEVEL_3_1:
 183                         return HFI_H264_LEVEL_31;
 184                 case V4L2_MPEG_VIDEO_H264_LEVEL_3_2:
 185                         return HFI_H264_LEVEL_32;
 186                 case V4L2_MPEG_VIDEO_H264_LEVEL_4_0:
 187                         return HFI_H264_LEVEL_4;
 188                 case V4L2_MPEG_VIDEO_H264_LEVEL_4_1:
 189                         return HFI_H264_LEVEL_41;
 190                 case V4L2_MPEG_VIDEO_H264_LEVEL_4_2:
 191                         return HFI_H264_LEVEL_42;
 192                 case V4L2_MPEG_VIDEO_H264_LEVEL_5_0:
 193                 default:
 194                         return HFI_H264_LEVEL_5;
 195                 case V4L2_MPEG_VIDEO_H264_LEVEL_5_1:
 196                         return HFI_H264_LEVEL_51;
 197                 }
 198         case V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE:
 199                 switch (value) {
 200                 case V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CAVLC:
 201                 default:
 202                         return HFI_H264_ENTROPY_CAVLC;
 203                 case V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CABAC:
 204                         return HFI_H264_ENTROPY_CABAC;
 205                 }
 206         case V4L2_CID_MPEG_VIDEO_VP8_PROFILE:
 207                 switch (value) {
 208                 case 0:
 209                 default:
 210                         return HFI_VPX_PROFILE_VERSION_0;
 211                 case 1:
 212                         return HFI_VPX_PROFILE_VERSION_1;
 213                 case 2:
 214                         return HFI_VPX_PROFILE_VERSION_2;
 215                 case 3:
 216                         return HFI_VPX_PROFILE_VERSION_3;
 217                 }
 218         case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE:
 219                 switch (value) {
 220                 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED:
 221                 default:
 222                         return HFI_H264_DB_MODE_ALL_BOUNDARY;
 223                 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED:
 224                         return HFI_H264_DB_MODE_DISABLE;
 225                 case V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED_AT_SLICE_BOUNDARY:
 226                         return HFI_H264_DB_MODE_SKIP_SLICE_BOUNDARY;
 227                 }
 228         case V4L2_CID_MPEG_VIDEO_HEVC_PROFILE:
 229                 switch (value) {
 230                 case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN:
 231                 default:
 232                         return HFI_HEVC_PROFILE_MAIN;
 233                 case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_STILL_PICTURE:
 234                         return HFI_HEVC_PROFILE_MAIN_STILL_PIC;
 235                 case V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10:
 236                         return HFI_HEVC_PROFILE_MAIN10;
 237                 }
 238         case V4L2_CID_MPEG_VIDEO_HEVC_LEVEL:
 239                 switch (value) {
 240                 case V4L2_MPEG_VIDEO_HEVC_LEVEL_1:
 241                 default:
 242                         return HFI_HEVC_LEVEL_1;
 243                 case V4L2_MPEG_VIDEO_HEVC_LEVEL_2:
 244                         return HFI_HEVC_LEVEL_2;
 245                 case V4L2_MPEG_VIDEO_HEVC_LEVEL_2_1:
 246                         return HFI_HEVC_LEVEL_21;
 247                 case V4L2_MPEG_VIDEO_HEVC_LEVEL_3:
 248                         return HFI_HEVC_LEVEL_3;
 249                 case V4L2_MPEG_VIDEO_HEVC_LEVEL_3_1:
 250                         return HFI_HEVC_LEVEL_31;
 251                 case V4L2_MPEG_VIDEO_HEVC_LEVEL_4:
 252                         return HFI_HEVC_LEVEL_4;
 253                 case V4L2_MPEG_VIDEO_HEVC_LEVEL_4_1:
 254                         return HFI_HEVC_LEVEL_41;
 255                 case V4L2_MPEG_VIDEO_HEVC_LEVEL_5:
 256                         return HFI_HEVC_LEVEL_5;
 257                 case V4L2_MPEG_VIDEO_HEVC_LEVEL_5_1:
 258                         return HFI_HEVC_LEVEL_51;
 259                 case V4L2_MPEG_VIDEO_HEVC_LEVEL_5_2:
 260                         return HFI_HEVC_LEVEL_52;
 261                 case V4L2_MPEG_VIDEO_HEVC_LEVEL_6:
 262                         return HFI_HEVC_LEVEL_6;
 263                 case V4L2_MPEG_VIDEO_HEVC_LEVEL_6_1:
 264                         return HFI_HEVC_LEVEL_61;
 265                 case V4L2_MPEG_VIDEO_HEVC_LEVEL_6_2:
 266                         return HFI_HEVC_LEVEL_62;
 267                 }
 268         }
 269
 270         return 0;
 271 }
 272
 273 static int
 274 venc_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
 275 {
 276         strlcpy(cap->driver, "qcom-venus", sizeof(cap->driver));
 277         strlcpy(cap->card, "Qualcomm Venus video encoder", sizeof(cap->card));
 278         strlcpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info));
 279
 280         return 0;
 281 }
 282
 283 static int venc_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f)
 284 {
 285         struct venus_inst *inst = to_inst(file);
 286         const struct venus_format *fmt;
 287
 288         fmt = find_format_by_index(inst, f->index, f->type);
 289
 290         memset(f->reserved, 0, sizeof(f->reserved));
 291
 292         if (!fmt)
 293                 return -EINVAL;
 294
 295         f->pixelformat = fmt->pixfmt;
 296
 297         return 0;
 298 }
 299
 300 static const struct venus_format *
 301 venc_try_fmt_common(struct venus_inst *inst, struct v4l2_format *f)
 302 {
 303         struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
 304         struct v4l2_plane_pix_format *pfmt = pixmp->plane_fmt;
 305         const struct venus_format *fmt;
 306
 307         memset(pfmt[0].reserved, 0, sizeof(pfmt[0].reserved));
 308         memset(pixmp->reserved, 0, sizeof(pixmp->reserved));
 309
 310         fmt = find_format(inst, pixmp->pixelformat, f->type);
 311         if (!fmt) {
 312                 if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
 313                         pixmp->pixelformat = V4L2_PIX_FMT_H264;
 314                 else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 315                         pixmp->pixelformat = V4L2_PIX_FMT_NV12;
 316                 else
 317                         return NULL;
 318                 fmt = find_format(inst, pixmp->pixelformat, f->type);
 319                 if (!fmt)
 320                         return NULL;
 321         }
 322
 323         pixmp->width = clamp(pixmp->width, frame_width_min(inst),
 324                              frame_width_max(inst));
 325         pixmp->height = clamp(pixmp->height, frame_height_min(inst),
 326                               frame_height_max(inst));
 327
 328         if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 329                 pixmp->height = ALIGN(pixmp->height, 32);
 330
 331         pixmp->width = ALIGN(pixmp->width, 2);
 332         pixmp->height = ALIGN(pixmp->height, 2);
 333
 334         if (pixmp->field == V4L2_FIELD_ANY)
 335                 pixmp->field = V4L2_FIELD_NONE;
 336         pixmp->num_planes = fmt->num_planes;
 337         pixmp->flags = 0;
 338
 339         pfmt[0].sizeimage = venus_helper_get_framesz(pixmp->pixelformat,
 340                                                      pixmp->width,
 341                                                      pixmp->height);
 342
 343         if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 344                 pfmt[0].bytesperline = ALIGN(pixmp->width, 128);
 345         else
 346                 pfmt[0].bytesperline = 0;
 347
 348         return fmt;
 349 }
 350
 351 static int venc_try_fmt(struct file *file, void *fh, struct v4l2_format *f)
 352 {
 353         struct venus_inst *inst = to_inst(file);
 354
 355         venc_try_fmt_common(inst, f);
 356
 357         return 0;
 358 }
 359
 360 static int venc_s_fmt(struct file *file, void *fh, struct v4l2_format *f)
 361 {
 362         struct venus_inst *inst = to_inst(file);
 363         struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
 364         struct v4l2_pix_format_mplane orig_pixmp;
 365         const struct venus_format *fmt;
 366         struct v4l2_format format;
 367         u32 pixfmt_out = 0, pixfmt_cap = 0;
 368
 369         orig_pixmp = *pixmp;
 370
 371         fmt = venc_try_fmt_common(inst, f);
 372         if (!fmt)
 373                 return -EINVAL;
 374
 375         if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
 376                 pixfmt_out = pixmp->pixelformat;
 377                 pixfmt_cap = inst->fmt_cap->pixfmt;
 378         } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
 379                 pixfmt_cap = pixmp->pixelformat;
 380                 pixfmt_out = inst->fmt_out->pixfmt;
 381         }
 382
 383         memset(&format, 0, sizeof(format));
 384
 385         format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
 386         format.fmt.pix_mp.pixelformat = pixfmt_out;
 387         format.fmt.pix_mp.width = orig_pixmp.width;
 388         format.fmt.pix_mp.height = orig_pixmp.height;
 389         venc_try_fmt_common(inst, &format);
 390
 391         if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
 392                 inst->out_width = format.fmt.pix_mp.width;
 393                 inst->out_height = format.fmt.pix_mp.height;
 394                 inst->colorspace = pixmp->colorspace;
 395                 inst->ycbcr_enc = pixmp->ycbcr_enc;
 396                 inst->quantization = pixmp->quantization;
 397                 inst->xfer_func = pixmp->xfer_func;
 398         }
 399
 400         memset(&format, 0, sizeof(format));
 401
 402         format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
 403         format.fmt.pix_mp.pixelformat = pixfmt_cap;
 404         format.fmt.pix_mp.width = orig_pixmp.width;
 405         format.fmt.pix_mp.height = orig_pixmp.height;
 406         venc_try_fmt_common(inst, &format);
 407
 408         inst->width = format.fmt.pix_mp.width;
 409         inst->height = format.fmt.pix_mp.height;
 410
 411         if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 412                 inst->fmt_out = fmt;
 413         else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
 414                 inst->fmt_cap = fmt;
 415
 416         return 0;
 417 }
 418
 419 static int venc_g_fmt(struct file *file, void *fh, struct v4l2_format *f)
 420 {
 421         struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
 422         struct venus_inst *inst = to_inst(file);
 423         const struct venus_format *fmt;
 424
 425         if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
 426                 fmt = inst->fmt_cap;
 427         else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 428                 fmt = inst->fmt_out;
 429         else
 430                 return -EINVAL;
 431
 432         pixmp->pixelformat = fmt->pixfmt;
 433
 434         if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
 435                 pixmp->width = inst->width;
 436                 pixmp->height = inst->height;
 437                 pixmp->colorspace = inst->colorspace;
 438                 pixmp->ycbcr_enc = inst->ycbcr_enc;
 439                 pixmp->quantization = inst->quantization;
 440                 pixmp->xfer_func = inst->xfer_func;
 441         } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
 442                 pixmp->width = inst->out_width;
 443                 pixmp->height = inst->out_height;
 444         }
 445
 446         venc_try_fmt_common(inst, f);
 447
 448         return 0;
 449 }
 450
 451 static int
 452 venc_g_selection(struct file *file, void *fh, struct v4l2_selection *s)
 453 {
 454         struct venus_inst *inst = to_inst(file);
 455
 456         if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
 457                 return -EINVAL;
 458
 459         switch (s->target) {
 460         case V4L2_SEL_TGT_CROP_DEFAULT:
 461         case V4L2_SEL_TGT_CROP_BOUNDS:
 462                 s->r.width = inst->width;
 463                 s->r.height = inst->height;
 464                 break;
 465         case V4L2_SEL_TGT_CROP:
 466                 s->r.width = inst->out_width;
 467                 s->r.height = inst->out_height;
 468                 break;
 469         default:
 470                 return -EINVAL;
 471         }
 472
 473         s->r.top = 0;
 474         s->r.left = 0;
 475
 476         return 0;
 477 }
 478
 479 static int
 480 venc_s_selection(struct file *file, void *fh, struct v4l2_selection *s)
 481 {
 482         struct venus_inst *inst = to_inst(file);
 483
 484         if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
 485                 return -EINVAL;
 486
 487         switch (s->target) {
 488         case V4L2_SEL_TGT_CROP:
 489                 if (s->r.width != inst->out_width ||
 490                     s->r.height != inst->out_height ||
 491                     s->r.top != 0 || s->r.left != 0)
 492                         return -EINVAL;
 493                 break;
 494         default:
 495                 return -EINVAL;
 496         }
 497
 498         return 0;
 499 }
 500
 501 static int venc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
 502 {
 503         struct venus_inst *inst = to_inst(file);
 504         struct v4l2_outputparm *out = &a->parm.output;
 505         struct v4l2_fract *timeperframe = &out->timeperframe;
 506         u64 us_per_frame, fps;
 507
 508         if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
 509             a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 510                 return -EINVAL;
 511
 512         memset(out->reserved, 0, sizeof(out->reserved));
 513
 514         if (!timeperframe->denominator)
 515                 timeperframe->denominator = inst->timeperframe.denominator;
 516         if (!timeperframe->numerator)
 517                 timeperframe->numerator = inst->timeperframe.numerator;
 518
 519         out->capability = V4L2_CAP_TIMEPERFRAME;
 520
 521         us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC;
 522         do_div(us_per_frame, timeperframe->denominator);
 523
 524         if (!us_per_frame)
 525                 return -EINVAL;
 526
 527         fps = (u64)USEC_PER_SEC;
 528         do_div(fps, us_per_frame);
 529
 530         inst->timeperframe = *timeperframe;
 531         inst->fps = fps;
 532
 533         return 0;
 534 }
 535
 536 static int venc_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
 537 {
 538         struct venus_inst *inst = to_inst(file);
 539
 540         if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
 541             a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 542                 return -EINVAL;
 543
 544         a->parm.output.capability |= V4L2_CAP_TIMEPERFRAME;
 545         a->parm.output.timeperframe = inst->timeperframe;
 546
 547         return 0;
 548 }
 549
 550 static int venc_enum_framesizes(struct file *file, void *fh,
 551                                 struct v4l2_frmsizeenum *fsize)
 552 {
 553         struct venus_inst *inst = to_inst(file);
 554         const struct venus_format *fmt;
 555
 556         fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
 557
 558         fmt = find_format(inst, fsize->pixel_format,
 559                           V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
 560         if (!fmt) {
 561                 fmt = find_format(inst, fsize->pixel_format,
 562                                   V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
 563                 if (!fmt)
 564                         return -EINVAL;
 565         }
 566
 567         if (fsize->index)
 568                 return -EINVAL;
 569
 570         fsize->stepwise.min_width = frame_width_min(inst);
 571         fsize->stepwise.max_width = frame_width_max(inst);
 572         fsize->stepwise.step_width = frame_width_step(inst);
 573         fsize->stepwise.min_height = frame_height_min(inst);
 574         fsize->stepwise.max_height = frame_height_max(inst);
 575         fsize->stepwise.step_height = frame_height_step(inst);
 576
 577         return 0;
 578 }
 579
 580 static int venc_enum_frameintervals(struct file *file, void *fh,
 581                                     struct v4l2_frmivalenum *fival)
 582 {
 583         struct venus_inst *inst = to_inst(file);
 584         const struct venus_format *fmt;
 585
 586         fival->type = V4L2_FRMIVAL_TYPE_STEPWISE;
 587
 588         fmt = find_format(inst, fival->pixel_format,
 589                           V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
 590         if (!fmt) {
 591                 fmt = find_format(inst, fival->pixel_format,
 592                                   V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
 593                 if (!fmt)
 594                         return -EINVAL;
 595         }
 596
 597         if (fival->index)
 598                 return -EINVAL;
 599
 600         if (!fival->width || !fival->height)
 601                 return -EINVAL;
 602
 603         if (fival->width > frame_width_max(inst) ||
 604             fival->width < frame_width_min(inst) ||
 605             fival->height > frame_height_max(inst) ||
 606             fival->height < frame_height_min(inst))
 607                 return -EINVAL;
 608
 609         fival->stepwise.min.numerator = 1;
 610         fival->stepwise.min.denominator = frate_max(inst);
 611         fival->stepwise.max.numerator = 1;
 612         fival->stepwise.max.denominator = frate_min(inst);
 613         fival->stepwise.step.numerator = 1;
 614         fival->stepwise.step.denominator = frate_max(inst);
 615
 616         return 0;
 617 }
 618
 619 static const struct v4l2_ioctl_ops venc_ioctl_ops = {
 620         .vidioc_querycap = venc_querycap,
 621         .vidioc_enum_fmt_vid_cap_mplane = venc_enum_fmt,
 622         .vidioc_enum_fmt_vid_out_mplane = venc_enum_fmt,
 623         .vidioc_s_fmt_vid_cap_mplane = venc_s_fmt,
 624         .vidioc_s_fmt_vid_out_mplane = venc_s_fmt,
 625         .vidioc_g_fmt_vid_cap_mplane = venc_g_fmt,
 626         .vidioc_g_fmt_vid_out_mplane = venc_g_fmt,
 627         .vidioc_try_fmt_vid_cap_mplane = venc_try_fmt,
 628         .vidioc_try_fmt_vid_out_mplane = venc_try_fmt,
 629         .vidioc_g_selection = venc_g_selection,
 630         .vidioc_s_selection = venc_s_selection,
 631         .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
 632         .vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
 633         .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
 634         .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
 635         .vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
 636         .vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
 637         .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
 638         .vidioc_streamon = v4l2_m2m_ioctl_streamon,
 639         .vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
 640         .vidioc_s_parm = venc_s_parm,
 641         .vidioc_g_parm = venc_g_parm,
 642         .vidioc_enum_framesizes = venc_enum_framesizes,
 643         .vidioc_enum_frameintervals = venc_enum_frameintervals,
 644         .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
 645         .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
 646 };
 647
 648 static int venc_set_properties(struct venus_inst *inst)
 649 {
 650         struct venc_controls *ctr = &inst->controls.enc;
 651         struct hfi_intra_period intra_period;
 652         struct hfi_profile_level pl;
 653         struct hfi_framerate frate;
 654         struct hfi_bitrate brate;
 655         struct hfi_idr_period idrp;
 656         u32 ptype, rate_control, bitrate, profile = 0, level = 0;
 657         int ret;
 658
 659         ret = venus_helper_set_work_mode(inst, VIDC_WORK_MODE_2);
 660         if (ret)
 661                 return ret;
 662
 663         ret = venus_helper_set_core_usage(inst, VIDC_CORE_ID_2);
 664         if (ret)
 665                 return ret;
 666
 667         ptype = HFI_PROPERTY_CONFIG_FRAME_RATE;
 668         frate.buffer_type = HFI_BUFFER_OUTPUT;
 669         frate.framerate = inst->fps * (1 << 16);
 670
 671         ret = hfi_session_set_property(inst, ptype, &frate);
 672         if (ret)
 673                 return ret;
 674
 675         if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) {
 676                 struct hfi_h264_vui_timing_info info;
 677                 struct hfi_h264_entropy_control entropy;
 678                 struct hfi_h264_db_control deblock;
 679
 680                 ptype = HFI_PROPERTY_PARAM_VENC_H264_VUI_TIMING_INFO;
 681                 info.enable = 1;
 682                 info.fixed_framerate = 1;
 683                 info.time_scale = NSEC_PER_SEC;
 684
 685                 ret = hfi_session_set_property(inst, ptype, &info);
 686                 if (ret)
 687                         return ret;
 688
 689                 ptype = HFI_PROPERTY_PARAM_VENC_H264_ENTROPY_CONTROL;
 690                 entropy.entropy_mode = venc_v4l2_to_hfi(
 691                                           V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE,
 692                                           ctr->h264_entropy_mode);
 693                 entropy.cabac_model = HFI_H264_CABAC_MODEL_0;
 694
 695                 ret = hfi_session_set_property(inst, ptype, &entropy);
 696                 if (ret)
 697                         return ret;
 698
 699                 ptype = HFI_PROPERTY_PARAM_VENC_H264_DEBLOCK_CONTROL;
 700                 deblock.mode = venc_v4l2_to_hfi(
 701                                       V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE,
 702                                       ctr->h264_loop_filter_mode);
 703                 deblock.slice_alpha_offset = ctr->h264_loop_filter_alpha;
 704                 deblock.slice_beta_offset = ctr->h264_loop_filter_beta;
 705
 706                 ret = hfi_session_set_property(inst, ptype, &deblock);
 707                 if (ret)
 708                         return ret;
 709         }
 710
 711         /* IDR periodicity, n:
 712          * n = 0 - only the first I-frame is IDR frame
 713          * n = 1 - all I-frames will be IDR frames
 714          * n > 1 - every n-th I-frame will be IDR frame
 715          */
 716         ptype = HFI_PROPERTY_CONFIG_VENC_IDR_PERIOD;
 717         idrp.idr_period = 0;
 718         ret = hfi_session_set_property(inst, ptype, &idrp);
 719         if (ret)
 720                 return ret;
 721
 722         if (ctr->num_b_frames) {
 723                 u32 max_num_b_frames = NUM_B_FRAMES_MAX;
 724
 725                 ptype = HFI_PROPERTY_PARAM_VENC_MAX_NUM_B_FRAMES;
 726                 ret = hfi_session_set_property(inst, ptype, &max_num_b_frames);
 727                 if (ret)
 728                         return ret;
 729         }
 730
 731         ptype = HFI_PROPERTY_CONFIG_VENC_INTRA_PERIOD;
 732         intra_period.pframes = ctr->num_p_frames;
 733         intra_period.bframes = ctr->num_b_frames;
 734
 735         ret = hfi_session_set_property(inst, ptype, &intra_period);
 736         if (ret)
 737                 return ret;
 738
 739         if (ctr->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR)
 740                 rate_control = HFI_RATE_CONTROL_VBR_CFR;
 741         else
 742                 rate_control = HFI_RATE_CONTROL_CBR_CFR;
 743
 744         ptype = HFI_PROPERTY_PARAM_VENC_RATE_CONTROL;
 745         ret = hfi_session_set_property(inst, ptype, &rate_control);
 746         if (ret)
 747                 return ret;
 748
 749         if (!ctr->bitrate)
 750                 bitrate = 64000;
 751         else
 752                 bitrate = ctr->bitrate;
 753
 754         ptype = HFI_PROPERTY_CONFIG_VENC_TARGET_BITRATE;
 755         brate.bitrate = bitrate;
 756         brate.layer_id = 0;
 757
 758         ret = hfi_session_set_property(inst, ptype, &brate);
 759         if (ret)
 760                 return ret;
 761
 762         if (!ctr->bitrate_peak)
 763                 bitrate *= 2;
 764         else
 765                 bitrate = ctr->bitrate_peak;
 766
 767         ptype = HFI_PROPERTY_CONFIG_VENC_MAX_BITRATE;
 768         brate.bitrate = bitrate;
 769         brate.layer_id = 0;
 770
 771         ret = hfi_session_set_property(inst, ptype, &brate);
 772         if (ret)
 773                 return ret;
 774
 775         if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) {
 776                 profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_H264_PROFILE,
 777                                            ctr->profile.h264);
 778                 level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_H264_LEVEL,
 779                                          ctr->level.h264);
 780         } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_VP8) {
 781                 profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_VP8_PROFILE,
 782                                            ctr->profile.vpx);
 783                 level = 0;
 784         } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_MPEG4) {
 785                 profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE,
 786                                            ctr->profile.mpeg4);
 787                 level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL,
 788                                          ctr->level.mpeg4);
 789         } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H263) {
 790                 profile = 0;
 791                 level = 0;
 792         } else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
 793                 profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_HEVC_PROFILE,
 794                                            ctr->profile.hevc);
 795                 level = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_HEVC_LEVEL,
 796                                          ctr->level.hevc);
 797         }
 798
 799         ptype = HFI_PROPERTY_PARAM_PROFILE_LEVEL_CURRENT;
 800         pl.profile = profile;
 801         pl.level = level;
 802
 803         ret = hfi_session_set_property(inst, ptype, &pl);
 804         if (ret)
 805                 return ret;
 806
 807         return 0;
 808 }
 809
 810 static int venc_init_session(struct venus_inst *inst)
 811 {
 812         int ret;
 813
 814         ret = hfi_session_init(inst, inst->fmt_cap->pixfmt);
 815         if (ret)
 816                 return ret;
 817
 818         ret = venus_helper_set_input_resolution(inst, inst->width,
 819                                                 inst->height);
 820         if (ret)
 821                 goto deinit;
 822
 823         ret = venus_helper_set_output_resolution(inst, inst->width,
 824                                                  inst->height,
 825                                                  HFI_BUFFER_OUTPUT);
 826         if (ret)
 827                 goto deinit;
 828
 829         ret = venus_helper_set_color_format(inst, inst->fmt_out->pixfmt);
 830         if (ret)
 831                 goto deinit;
 832
 833         ret = venc_set_properties(inst);
 834         if (ret)
 835                 goto deinit;
 836
 837         return 0;
 838 deinit:
 839         hfi_session_deinit(inst);
 840         return ret;
 841 }
 842
 843 static int venc_out_num_buffers(struct venus_inst *inst, unsigned int *num)
 844 {
 845         struct hfi_buffer_requirements bufreq;
 846         int ret;
 847
 848         ret = venc_init_session(inst);
 849         if (ret)
 850                 return ret;
 851
 852         ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
 853
 854         *num = bufreq.count_actual;
 855
 856         hfi_session_deinit(inst);
 857
 858         return ret;
 859 }
 860
 861 static int venc_queue_setup(struct vb2_queue *q,
 862                             unsigned int *num_buffers, unsigned int *num_planes,
 863                             unsigned int sizes[], struct device *alloc_devs[])
 864 {
 865         struct venus_inst *inst = vb2_get_drv_priv(q);
 866         unsigned int num, min = 4;
 867         int ret = 0;
 868
 869         if (*num_planes) {
 870                 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
 871                     *num_planes != inst->fmt_out->num_planes)
 872                         return -EINVAL;
 873
 874                 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
 875                     *num_planes != inst->fmt_cap->num_planes)
 876                         return -EINVAL;
 877
 878                 if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
 879                     sizes[0] < inst->input_buf_size)
 880                         return -EINVAL;
 881
 882                 if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
 883                     sizes[0] < inst->output_buf_size)
 884                         return -EINVAL;
 885
 886                 return 0;
 887         }
 888
 889         switch (q->type) {
 890         case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
 891                 *num_planes = inst->fmt_out->num_planes;
 892
 893                 ret = venc_out_num_buffers(inst, &num);
 894                 if (ret)
 895                         break;
 896
 897                 num = max(num, min);
 898                 *num_buffers = max(*num_buffers, num);
 899                 inst->num_input_bufs = *num_buffers;
 900
 901                 sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt,
 902                                                     inst->width,
 903                                                     inst->height);
 904                 inst->input_buf_size = sizes[0];
 905                 break;
 906         case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
 907                 *num_planes = inst->fmt_cap->num_planes;
 908                 *num_buffers = max(*num_buffers, min);
 909                 inst->num_output_bufs = *num_buffers;
 910                 sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt,
 911                                                     inst->width,
 912                                                     inst->height);
 913                 inst->output_buf_size = sizes[0];
 914                 break;
 915         default:
 916                 ret = -EINVAL;
 917                 break;
 918         }
 919
 920         return ret;
 921 }
 922
 923 static int venc_verify_conf(struct venus_inst *inst)
 924 {
 925         enum hfi_version ver = inst->core->res->hfi_version;
 926         struct hfi_buffer_requirements bufreq;
 927         int ret;
 928
 929         if (!inst->num_input_bufs || !inst->num_output_bufs)
 930                 return -EINVAL;
 931
 932         ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);
 933         if (ret)
 934                 return ret;
 935
 936         if (inst->num_output_bufs < bufreq.count_actual ||
 937             inst->num_output_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
 938                 return -EINVAL;
 939
 940         ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
 941         if (ret)
 942                 return ret;
 943
 944         if (inst->num_input_bufs < bufreq.count_actual ||
 945             inst->num_input_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
 946                 return -EINVAL;
 947
 948         return 0;
 949 }
 950
 951 static int venc_start_streaming(struct vb2_queue *q, unsigned int count)
 952 {
 953         struct venus_inst *inst = vb2_get_drv_priv(q);
 954         int ret;
 955
 956         mutex_lock(&inst->lock);
 957
 958         if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 959                 inst->streamon_out = 1;
 960         else
 961                 inst->streamon_cap = 1;
 962
 963         if (!(inst->streamon_out & inst->streamon_cap)) {
 964                 mutex_unlock(&inst->lock);
 965                 return 0;
 966         }
 967
 968         venus_helper_init_instance(inst);
 969
 970         inst->sequence_cap = 0;
 971         inst->sequence_out = 0;
 972
 973         ret = venc_init_session(inst);
 974         if (ret)
 975                 goto bufs_done;
 976
 977         ret = venc_set_properties(inst);
 978         if (ret)
 979                 goto deinit_sess;
 980
 981         ret = venc_verify_conf(inst);
 982         if (ret)
 983                 goto deinit_sess;
 984
 985         ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs,
 986                                         inst->num_output_bufs, 0);
 987         if (ret)
 988                 goto deinit_sess;
 989
 990         ret = venus_helper_vb2_start_streaming(inst);
 991         if (ret)
 992                 goto deinit_sess;
 993
 994         mutex_unlock(&inst->lock);
 995
 996         return 0;
 997
 998 deinit_sess:
 999         hfi_session_deinit(inst);
1000 bufs_done:
1001         venus_helper_buffers_done(inst, VB2_BUF_STATE_QUEUED);
1002         if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
1003                 inst->streamon_out = 0;
1004         else
1005                 inst->streamon_cap = 0;
1006         mutex_unlock(&inst->lock);
1007         return ret;
1008 }
1009
1010 static const struct vb2_ops venc_vb2_ops = {
1011         .queue_setup = venc_queue_setup,
1012         .buf_init = venus_helper_vb2_buf_init,
1013         .buf_prepare = venus_helper_vb2_buf_prepare,
1014         .start_streaming = venc_start_streaming,
1015         .stop_streaming = venus_helper_vb2_stop_streaming,
1016         .buf_queue = venus_helper_vb2_buf_queue,
1017 };
1018
1019 static void venc_buf_done(struct venus_inst *inst, unsigned int buf_type,
1020                           u32 tag, u32 bytesused, u32 data_offset, u32 flags,
1021                           u32 hfi_flags, u64 timestamp_us)
1022 {
1023         struct vb2_v4l2_buffer *vbuf;
1024         struct vb2_buffer *vb;
1025         unsigned int type;
1026
1027         if (buf_type == HFI_BUFFER_INPUT)
1028                 type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1029         else
1030                 type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1031
1032         vbuf = venus_helper_find_buf(inst, type, tag);
1033         if (!vbuf)
1034                 return;
1035
1036         vbuf->flags = flags;
1037
1038         if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
1039                 vb = &vbuf->vb2_buf;
1040                 vb2_set_plane_payload(vb, 0, bytesused + data_offset);
1041                 vb->planes[0].data_offset = data_offset;
1042                 vb->timestamp = timestamp_us * NSEC_PER_USEC;
1043                 vbuf->sequence = inst->sequence_cap++;
1044         } else {
1045                 vbuf->sequence = inst->sequence_out++;
1046         }
1047
1048         v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE);
1049 }
1050
1051 static void venc_event_notify(struct venus_inst *inst, u32 event,
1052                               struct hfi_event_data *data)
1053 {
1054         struct device *dev = inst->core->dev_enc;
1055
1056         if (event == EVT_SESSION_ERROR) {
1057                 inst->session_error = true;
1058                 dev_err(dev, "enc: event session error %x\n", inst->error);
1059         }
1060 }
1061
1062 static const struct hfi_inst_ops venc_hfi_ops = {
1063         .buf_done = venc_buf_done,
1064         .event_notify = venc_event_notify,
1065 };
1066
1067 static const struct v4l2_m2m_ops venc_m2m_ops = {
1068         .device_run = venus_helper_m2m_device_run,
1069         .job_abort = venus_helper_m2m_job_abort,
1070 };
1071
1072 static int m2m_queue_init(void *priv, struct vb2_queue *src_vq,
1073                           struct vb2_queue *dst_vq)
1074 {
1075         struct venus_inst *inst = priv;
1076         int ret;
1077
1078         src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
1079         src_vq->io_modes = VB2_MMAP | VB2_DMABUF;
1080         src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1081         src_vq->ops = &venc_vb2_ops;
1082         src_vq->mem_ops = &vb2_dma_sg_memops;
1083         src_vq->drv_priv = inst;
1084         src_vq->buf_struct_size = sizeof(struct venus_buffer);
1085         src_vq->allow_zero_bytesused = 1;
1086         src_vq->min_buffers_needed = 1;
1087         src_vq->dev = inst->core->dev;
1088         if (inst->core->res->hfi_version == HFI_VERSION_1XX)
1089                 src_vq->bidirectional = 1;
1090         ret = vb2_queue_init(src_vq);
1091         if (ret)
1092                 return ret;
1093
1094         dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
1095         dst_vq->io_modes = VB2_MMAP | VB2_DMABUF;
1096         dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
1097         dst_vq->ops = &venc_vb2_ops;
1098         dst_vq->mem_ops = &vb2_dma_sg_memops;
1099         dst_vq->drv_priv = inst;
1100         dst_vq->buf_struct_size = sizeof(struct venus_buffer);
1101         dst_vq->allow_zero_bytesused = 1;
1102         dst_vq->min_buffers_needed = 1;
1103         dst_vq->dev = inst->core->dev;
1104         ret = vb2_queue_init(dst_vq);
1105         if (ret) {
1106                 vb2_queue_release(src_vq);
1107                 return ret;
1108         }
1109
1110         return 0;
1111 }
1112
1113 static void venc_inst_init(struct venus_inst *inst)
1114 {
1115         inst->fmt_cap = &venc_formats[2];
1116         inst->fmt_out = &venc_formats[0];
1117         inst->width = 1280;
1118         inst->height = ALIGN(720, 32);
1119         inst->out_width = 1280;
1120         inst->out_height = 720;
1121         inst->fps = 15;
1122         inst->timeperframe.numerator = 1;
1123         inst->timeperframe.denominator = 15;
1124         inst->hfi_codec = HFI_VIDEO_CODEC_H264;
1125 }
1126
1127 static int venc_open(struct file *file)
1128 {
1129         struct venus_core *core = video_drvdata(file);
1130         struct venus_inst *inst;
1131         int ret;
1132
1133         inst = kzalloc(sizeof(*inst), GFP_KERNEL);
1134         if (!inst)
1135                 return -ENOMEM;
1136
1137         INIT_LIST_HEAD(&inst->dpbbufs);
1138         INIT_LIST_HEAD(&inst->registeredbufs);
1139         INIT_LIST_HEAD(&inst->internalbufs);
1140         INIT_LIST_HEAD(&inst->list);
1141         mutex_init(&inst->lock);
1142
1143         inst->core = core;
1144         inst->session_type = VIDC_SESSION_TYPE_ENC;
1145
1146         venus_helper_init_instance(inst);
1147
1148         ret = pm_runtime_get_sync(core->dev_enc);
1149         if (ret < 0)
1150                 goto err_free_inst;
1151
1152         ret = venc_ctrl_init(inst);
1153         if (ret)
1154                 goto err_put_sync;
1155
1156         ret = hfi_session_create(inst, &venc_hfi_ops);
1157         if (ret)
1158                 goto err_ctrl_deinit;
1159
1160         venc_inst_init(inst);
1161
1162         /*
1163          * create m2m device for every instance, the m2m context scheduling
1164          * is made by firmware side so we do not need to care about.
1165          */
1166         inst->m2m_dev = v4l2_m2m_init(&venc_m2m_ops);
1167         if (IS_ERR(inst->m2m_dev)) {
1168                 ret = PTR_ERR(inst->m2m_dev);
1169                 goto err_session_destroy;
1170         }
1171
1172         inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init);
1173         if (IS_ERR(inst->m2m_ctx)) {
1174                 ret = PTR_ERR(inst->m2m_ctx);
1175                 goto err_m2m_release;
1176         }
1177
1178         v4l2_fh_init(&inst->fh, core->vdev_enc);
1179
1180         inst->fh.ctrl_handler = &inst->ctrl_handler;
1181         v4l2_fh_add(&inst->fh);
1182         inst->fh.m2m_ctx = inst->m2m_ctx;
1183         file->private_data = &inst->fh;
1184
1185         return 0;
1186
1187 err_m2m_release:
1188         v4l2_m2m_release(inst->m2m_dev);
1189 err_session_destroy:
1190         hfi_session_destroy(inst);
1191 err_ctrl_deinit:
1192         venc_ctrl_deinit(inst);
1193 err_put_sync:
1194         pm_runtime_put_sync(core->dev_enc);
1195 err_free_inst:
1196         kfree(inst);
1197         return ret;
1198 }
1199
1200 static int venc_close(struct file *file)
1201 {
1202         struct venus_inst *inst = to_inst(file);
1203
1204         v4l2_m2m_ctx_release(inst->m2m_ctx);
1205         v4l2_m2m_release(inst->m2m_dev);
1206         venc_ctrl_deinit(inst);
1207         hfi_session_destroy(inst);
1208         mutex_destroy(&inst->lock);
1209         v4l2_fh_del(&inst->fh);
1210         v4l2_fh_exit(&inst->fh);
1211
1212         pm_runtime_put_sync(inst->core->dev_enc);
1213
1214         kfree(inst);
1215         return 0;
1216 }
1217
1218 static const struct v4l2_file_operations venc_fops = {
1219         .owner = THIS_MODULE,
1220         .open = venc_open,
1221         .release = venc_close,
1222         .unlocked_ioctl = video_ioctl2,
1223         .poll = v4l2_m2m_fop_poll,
1224         .mmap = v4l2_m2m_fop_mmap,
1225 };
1226
1227 static int venc_probe(struct platform_device *pdev)
1228 {
1229         struct device *dev = &pdev->dev;
1230         struct video_device *vdev;
1231         struct venus_core *core;
1232         int ret;
1233
1234         if (!dev->parent)
1235                 return -EPROBE_DEFER;
1236
1237         core = dev_get_drvdata(dev->parent);
1238         if (!core)
1239                 return -EPROBE_DEFER;
1240
1241         if (IS_V3(core) || IS_V4(core)) {
1242                 core->core1_clk = devm_clk_get(dev, "core");
1243                 if (IS_ERR(core->core1_clk))
1244                         return PTR_ERR(core->core1_clk);
1245         }
1246
1247         if (IS_V4(core)) {
1248                 core->core1_bus_clk = devm_clk_get(dev, "bus");
1249                 if (IS_ERR(core->core1_bus_clk))
1250                         return PTR_ERR(core->core1_bus_clk);
1251         }
1252
1253         platform_set_drvdata(pdev, core);
1254
1255         vdev = video_device_alloc();
1256         if (!vdev)
1257                 return -ENOMEM;
1258
1259         strlcpy(vdev->name, "qcom-venus-encoder", sizeof(vdev->name));
1260         vdev->release = video_device_release;
1261         vdev->fops = &venc_fops;
1262         vdev->ioctl_ops = &venc_ioctl_ops;
1263         vdev->vfl_dir = VFL_DIR_M2M;
1264         vdev->v4l2_dev = &core->v4l2_dev;
1265         vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING;
1266
1267         ret = video_register_device(vdev, VFL_TYPE_GRABBER, -1);
1268         if (ret)
1269                 goto err_vdev_release;
1270
1271         core->vdev_enc = vdev;
1272         core->dev_enc = dev;
1273
1274         video_set_drvdata(vdev, core);
1275         pm_runtime_enable(dev);
1276
1277         return 0;
1278
1279 err_vdev_release:
1280         video_device_release(vdev);
1281         return ret;
1282 }
1283
1284 static int venc_remove(struct platform_device *pdev)
1285 {
1286         struct venus_core *core = dev_get_drvdata(pdev->dev.parent);
1287
1288         video_unregister_device(core->vdev_enc);
1289         pm_runtime_disable(core->dev_enc);
1290
1291         return 0;
1292 }
1293
1294 static __maybe_unused int venc_runtime_suspend(struct device *dev)
1295 {
1296         struct venus_core *core = dev_get_drvdata(dev);
1297         int ret;
1298
1299         if (IS_V1(core))
1300                 return 0;
1301
1302         ret = venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, true);
1303         if (ret)
1304                 return ret;
1305
1306         if (IS_V4(core))
1307                 clk_disable_unprepare(core->core1_bus_clk);
1308
1309         clk_disable_unprepare(core->core1_clk);
1310
1311         return venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, false);
1312 }
1313
1314 static __maybe_unused int venc_runtime_resume(struct device *dev)
1315 {
1316         struct venus_core *core = dev_get_drvdata(dev);
1317         int ret;
1318
1319         if (IS_V1(core))
1320                 return 0;
1321
1322         ret = venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, true);
1323         if (ret)
1324                 return ret;
1325
1326         ret = clk_prepare_enable(core->core1_clk);
1327         if (ret)
1328                 goto err_power_disable;
1329
1330         if (IS_V4(core))
1331                 ret = clk_prepare_enable(core->core1_bus_clk);
1332
1333         if (ret)
1334                 goto err_unprepare_core1;
1335
1336         return venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, false);
1337
1338 err_unprepare_core1:
1339         clk_disable_unprepare(core->core1_clk);
1340 err_power_disable:
1341         venus_helper_power_enable(core, VIDC_SESSION_TYPE_ENC, false);
1342         return ret;
1343 }
1344
1345 static const struct dev_pm_ops venc_pm_ops = {
1346         SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
1347                                 pm_runtime_force_resume)
1348         SET_RUNTIME_PM_OPS(venc_runtime_suspend, venc_runtime_resume, NULL)
1349 };
1350
1351 static const struct of_device_id venc_dt_match[] = {
1352         { .compatible = "venus-encoder" },
1353         { }
1354 };
1355 MODULE_DEVICE_TABLE(of, venc_dt_match);
1356
1357 static struct platform_driver qcom_venus_enc_driver = {
1358         .probe = venc_probe,
1359         .remove = venc_remove,
1360         .driver = {
1361                 .name = "qcom-venus-encoder",
1362                 .of_match_table = venc_dt_match,
1363                 .pm = &venc_pm_ops,
1364         },
1365 };
1366 module_platform_driver(qcom_venus_enc_driver);
1367
1368 MODULE_ALIAS("platform:qcom-venus-encoder");
1369 MODULE_DESCRIPTION("Qualcomm Venus video encoder driver");
1370 MODULE_LICENSE("GPL v2");